/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

@protocol TTransport<NSObject>

/**
 * Guarantees that all of len bytes are read
 *
 * @param buf Buffer to read into
 * @param off Index in buffer to start storing bytes at
 * @param len Maximum number of bytes to read
 * @return The number of bytes actually read, which must be equal to len
 * @throws TTransportException if there was an error reading data
 */
- (int)readAll:(uint8_t*)buf offset:(int)off length:(int)len;

- (void)write:(const uint8_t*)data
       offset:(unsigned int)offset
       length:(unsigned int)length;

- (void)flush;
@end
